These trailers are used on site projects where steel grit is the preferred abrasive. Projects such as bridges and water tanks. The purchase price of steel grit precludes single use. Consequently, a recycling system is a necessary component of a site project using steel grit. The system incorporates vacuum system, abrasive classifier, storage hopper and blast machines. Different size systems are available ranging from 2 blast pots to 8 blast pot systems. Mounted on a low deck 53 foot trailer. Up to 12 ton/hour of steel grit.